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authorFurquan Shaikh <furquan@chromium.org>2016-10-20 23:09:05 -0700
committerFurquan Shaikh <furquan@google.com>2016-10-24 17:43:47 +0200
commite4e9b94db18c1b9e646a0b4d6a0bef24dc02b335 (patch)
treeaae17f25e1a2d58d2af0ef68b1e773d8260d9a73 /src/arch/x86/include
parent3f4e6272007483d720a7c6677e81f80810513581 (diff)
arch/x86/acpigen: Clean up acpigen library
Instead of using hard-coded values for emitting op codes and prefix codes, define and use enum constants. With this change, it becomes easier to read the code as well. BUG=chrome-os-partner:55988 Change-Id: I6671b84c2769a8d9b1f210642f3f8fd3d902cca2 Signed-off-by: Furquan Shaikh <furquan@chromium.org> Reviewed-on: https://review.coreboot.org/17078 Tested-by: build bot (Jenkins) Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Diffstat (limited to 'src/arch/x86/include')
-rw-r--r--src/arch/x86/include/arch/acpigen.h48
1 files changed, 48 insertions, 0 deletions
diff --git a/src/arch/x86/include/arch/acpigen.h b/src/arch/x86/include/arch/acpigen.h
index f513698f26..4e8456dc09 100644
--- a/src/arch/x86/include/arch/acpigen.h
+++ b/src/arch/x86/include/arch/acpigen.h
@@ -34,6 +34,53 @@
ACPI_STATUS_DEVICE_SHOW_IN_UI |\
ACPI_STATUS_DEVICE_STATE_OK)
+/* ACPI Op/Prefix Codes */
+enum {
+ ZERO_OP = 0x00,
+ ONE_OP = 0x01,
+ NAME_OP = 0x08,
+ SCOPE_OP = 0x10,
+ BUFFER_OP = 0x11,
+ BYTE_PREFIX = 0x0A,
+ WORD_PREFIX = 0x0B,
+ DWORD_PREFIX = 0x0C,
+ STRING_PREFIX = 0x0D,
+ QWORD_PREFIX = 0x0E,
+ PACKAGE_OP = 0x12,
+ METHOD_OP = 0x14,
+ DUAL_NAME_PREFIX = 0x2E,
+ MULTI_NAME_PREFIX = 0x2F,
+ EXT_OP_PREFIX = 0x5B,
+ SLEEP_OP = 0x22,
+ DEBUG_OP = 0x31,
+ DEVICE_OP = 0x82,
+ PROCESSOR_OP = 0x83,
+ POWER_RES_OP = 0x84,
+ LOCAL0_OP = 0x60,
+ LOCAL1_OP = 0x61,
+ LOCAL2_OP = 0x62,
+ LOCAL3_OP = 0x63,
+ LOCAL4_OP = 0x64,
+ LOCAL5_OP = 0x65,
+ LOCAL6_OP = 0x66,
+ LOCAL7_OP = 0x67,
+ ARG0_OP = 0x68,
+ ARG1_OP = 0x69,
+ ARG2_OP = 0x6A,
+ ARG3_OP = 0x6B,
+ ARG4_OP = 0x6C,
+ ARG5_OP = 0x6D,
+ ARG6_OP = 0x6E,
+ STORE_OP = 0x70,
+ AND_OP = 0x7B,
+ OR_OP = 0x7D,
+ NOT_OP = 0x80,
+ IF_OP = 0xA0,
+ ELSE_OP = 0xA1,
+ RETURN_OP = 0xA4,
+ ONES_OP = 0xFF,
+};
+
void acpigen_write_len_f(void);
void acpigen_pop_len(void);
void acpigen_set_current(char *curr);
@@ -44,6 +91,7 @@ void acpigen_write_one(void);
void acpigen_write_ones(void);
void acpigen_write_byte(unsigned int data);
void acpigen_emit_byte(unsigned char data);
+void acpigen_emit_ext_op(uint8_t op);
void acpigen_emit_word(unsigned int data);
void acpigen_emit_dword(unsigned int data);
void acpigen_emit_stream(const char *data, int size);